Milka Cow

Add a chance for the most famous Swiss cow to spawn.

Uses custom textures, so

You'll need Entity Texture Feature if your on Fabric/Forge.
Also CIT or Chime (optional) to display custom Name Tags
Or to be used with Optifine.

Compatible with Fresh animation. Just go in the zip folder, remove cow2.png from \assets\minecraft\optifine\random\entity\cow and rename cow2 - Fresh Animation Compatible.png in cow2.png to get eyes animations.

They have a tiny chance to appear in any biomes.
Chances are higher in all moutains relative biomes (except savanna windswept).
They have a huge chance to appear in meadows.

Anywhere you can get them by renaming them :

Milka
Swiss Chocolate
Vach Mauve

Uses the new "supported_formats" tag in pack.mcmeta, but should work with any version of minecraft, ignore the warning message if the pack show red in the list.